Fibromyalgia treatment is care provided to improve a situation (especially medical procedures or applications that are intended to relievea Fibromyalgia. Fibromyalgia is characterized by chronic widespread pain and also allodynia, a heightened and painful response to pressure. Fibromyalgia symptoms are not restricted to pain, leading to the use of the alternative term fibromyalgia syndrome for the condition. Other core symptoms include debilitating fatigue, sleep disturbance, and joint stiffness. Some patients may also report difficulty with swallowing, bowel and bladder abnormalities, numbness and tingling , and cognitive dysfunction. Buskilla and Cohen state that "There are mounting data supporting comorbidity of fibromyalgia syndrome (FMS) and psychiatric conditions." and cite conditions such as anxiety, depression and Posttraumatic Stress Disorder. Not all people with fibromyalgia experience all associated symptoms.